Amgen shares owned by William Blair $ Company
Quarter-by-quarter ownership of Amgen (AMGN) shares owned by William Blair $ Company
from 13F filings
Historical chart of William Blair $ Company investment in Amgen
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Quarterly reported holdings in Amgen by William Blair $ Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $33M | 114k | 288.02 |
| 2023-09-30 | $31M | 115k | 268.76 |
| 2023-06-30 | $23M | 104k | 222.02 |
| 2023-03-31 | $26M | 106k | 241.75 |
| 2022-12-31 | $28M | 107k | 262.64 |
| 2022-09-30 | $25M | 109k | 225.40 |
| 2022-06-30 | $26M | 105k | 243.30 |
| 2022-03-31 | $26M | 107k | 241.82 |
| 2021-12-31 | $24M | 108k | 224.97 |
| 2021-09-30 | $17M | 80k | 212.66 |
| 2021-06-30 | $18M | 75k | 243.75 |
| 2021-03-31 | $20M | 80k | 248.81 |
| 2020-12-31 | $25M | 111k | 229.92 |
| 2020-09-30 | $26M | 103k | 254.16 |
| 2020-06-30 | $26M | 112k | 235.86 |
| 2020-03-31 | $22M | 108k | 202.73 |
| 2019-12-31 | $27M | 111k | 241.07 |
| 2019-09-30 | $20M | 106k | 193.51 |
| 2019-06-30 | $21M | 112k | 184.28 |
| 2019-03-31 | $20M | 104k | 189.98 |
| 2018-12-31 | $22M | 111k | 194.67 |
| 2018-09-30 | $21M | 103k | 207.29 |
| 2018-06-30 | $17M | 91k | 184.59 |
| 2018-03-31 | $16M | 92k | 170.48 |
| 2017-12-31 | $17M | 97k | 173.90 |
| 2017-09-30 | $17M | 91k | 186.46 |
| 2017-06-30 | $14M | 82k | 172.23 |
| 2017-03-31 | $14M | 82k | 171.25 |
| 2016-12-31 | $16M | 107k | 146.21 |
| 2016-09-30 | $28M | 168k | 166.81 |
| 2016-06-30 | $25M | 166k | 152.15 |
| 2016-03-31 | $27M | 183k | 149.92 |
| 2015-12-31 | $30M | 183k | 162.33 |
| 2015-09-30 | $23M | 169k | 138.32 |
| 2015-06-30 | $23M | 153k | 153.52 |
| 2015-03-31 | $24M | 151k | 159.85 |
| 2014-12-31 | $24M | 150k | 159.29 |
| 2014-09-30 | $18M | 130k | 140.46 |
| 2014-06-30 | $14M | 120k | 118.37 |
| 2014-03-31 | $16M | 130k | 123.33 |
| 2013-12-31 | $15M | 129k | 114.08 |
| 2013-09-30 | $14M | 126k | 111.92 |
| 2013-06-30 | $12M | 117k | 98.66 |
| 2013-03-31 | $11M | 106k | 102.50 |
| 2012-12-31 | $8.3M | 96k | 86.20 |
| 2012-09-30 | $7.9M | 93k | 84.28 |
| 2012-06-30 | $6.8M | 94k | 72.91 |
| 2011-12-31 | $6.0M | 93k | 64.21 |
| 2011-09-30 | $5.1M | 92k | 54.95 |
| 2011-03-31 | $4.9M | 92k | 53.45 |